noticed something wrong on top of the superman coaster. a dozen people were on board when the twin coaster cars suddenly stopped right on top of the rails. rescue crews and ride engineers used a large dine get up to the passenger expoz to work on the car's undercarriage. vallejo fire crews say no one needed medical attention but they did pass out water and sun screen. in the end, the coaster car safely came down and passengers walked away unharmed. >> with the plan of releasing the train if possible. that's our first plan of action. that's the safest.